Marco Rubio stops in Naples on book tour

David Albers/Staff - U.S. Sen. Marco Rubio signs copies of his new autobiography, An American Son, at the Naples Costco on Sunday, July 1, 2012.

David Albers/Staff - Copies of An American Son await signing by U.S. Sen. Marco Rubio during a book signing at the Naples Costco on Sunday, July 1, 2012.

David Albers/Staff - U.S. Sen. Marco Rubio arrives for a book signing to promote his new autobiography, An American Son, at the Naples Costco on Sunday, July 1, 2012.

David Albers/Staff - Naples resident Ellen Schmidt poses for a photo with U.S. Sen. Marco Rubio during a book signing promoting his new autobiography, An American Son, at the Naples Costco on Sunday, July 1, 2012.

David Albers/Staff - People wait in line to have their copies of U.S. Sen. Marco Rubio's autobiography, An American Son, autographed at the Naples Costco on Sunday, July 1, 2012.

David Albers/Staff - U.S. Sen. Marco Rubio arrives for a book signing to promote his new autobiography, An American Son, at the Naples Costco on Sunday, July 1, 2012.

David Albers/Staff - Josh Smallbone, an employee with Sentinel publishing company, organizes signed copies of U.S. Sen. Marco Rubio's new autobiography, An American Son, at the Naples Costco on Sunday, July 1, 2012.

David Albers/Staff - Naples resident Tom Tegen relays the scene of a book signing by U.S. Sen. Marco Rubio via cell phone at the Naples Costco on Sunday, July 1, 2012.

David Albers/Staff - U.S. Sen. Marco Rubio greets Naples resident Karin Thomas and Tracey Lumia during a book signing to promote his new autobiography, An American Son, at the Naples Costco on Sunday, July 1, 2012.

David Albers/Staff - U.S. Sen. Marco Rubio appears at a book signing to promote his new autobiography, An American Son, at the Naples Costco on Sunday, July 1, 2012.

David Albers/Staff - Protestors demonstrate outside the Naples Costco during a book signing by U.S. Sen. Marco Rubio on Sunday, July 1, 2012.

David Albers/Staff - U.S. Sen. Marco Rubio speaks to the media during a book signing to promote his new autobiography, An American Son, at the Naples Costco on Sunday, July 1, 2012.

David Albers/Staff - Signed copies of An American Son await purchase during a book signing by U.S. Sen. Marco Rubio at the Naples Costco on Sunday, July 1, 2012.

David Albers/Staff - Naples resident Jeane Palmer poses for a photo with U.S. Sen. Marco Rubio during a book signing promoting his new autobiography, An American Son, at the Naples Costco on Sunday, July 1, 2012.

David Albers/Staff - Fans pose for photos with U.S. Sen. Marco Rubio's book tour bus at the Naples Costco on Sunday, July 1, 2012.